Big Fork River

{{Short description|River in Minnesota, the United States of America}}

{{Use American English|date=February 2025}}

{{Infobox river

| name = Big Fork River

| native_name ={{native name|oj|Baas-achaabaani-ziibi}}

| name_other = {{unbulleted list|Achabani River|Bigfork River|Bowstring River|Busachabani River|Rivière Grande Fourche}}

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| pushpin_map = Minnesota

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| pushpin_map_caption= Mouth of the Big Fork River

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| subdivision_type1 = Country

| subdivision_name1 = United States

| subdivision_type2 = State

| subdivision_name2 = Minnesota

| subdivision_type3 = Counties

| subdivision_name3 = {{unbulleted list|Itasca|Koochiching}}

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| length = {{cvt|168|mi|km}}

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| source1_coordinates= {{Coord|48.5166163|-93.7168319|region:US-MN_type:river_source:gnis|display=inline}}

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| mouth = Rainy River

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| mouth_coordinates = {{Coord|48.5166163|-93.7168319|display=inline,title}}

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| river_system = Rainy River

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The Big Fork River (French: Rivière Grande Fourche; Ojibwe: Baas-achaabaani-ziibi) is a stream in the U.S. state of Minnesota. Starting in the Chippewa National Forest at Dora Lake, it flows for {{cvt|168|mi}} into the Rainy River.{{Gnis|655362|Big Fork River}}{{cite web|url=https://www.nps.gov/subjects/rivers/minnesota.htm|title=Minnesota Rivers|website=National Park Service|access-date=April 11, 2021}}{{cite web|url=https://files.dnr.state.mn.us/maps/canoe_routes/bigfork.pdf|title=Big Fork River State Watertrail|website=MN DNR|access-date=April 27, 2021}}{{cite web|url=https://files.dnr.state.mn.us/maps/canoe_routes/bigfork.pdf|title=Big Fork River State Water Trail Map|website=MN DNR|access-date=April 27, 2021}}